Answer / sateesh

for higher frequencies we can use MOsfet
for lower frequencies we can use igbt and rating of igbts r
higer compared to MOSFETs

Answer / gopaul

mos controlled thyristor (mct)

Answer / fat-s0

It depends on the application. A good power electronics
book usually shows a good image of the power and frequency
range in which most switches will find optimal use.

Answer / dinesh kumar

Silicon Controlled Rectifier (scr)

can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?

0 Answers   RD Square,

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what is a motor

5 Answers   Eskom,

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Differnce between Analog & Digital

1 Answers  

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Why in medium voltage system(3.3kv to 33kv, neutral is earthed with either resistance, reactance or neutral grounding resistance?

4 Answers   Essar,

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If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

0 Answers   TATA,

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how did i get the competency certificate as electricle supervisor. iam completed my b.tech.but i dnt have any experince, this certificate is required for applyng ongc mangement trainees. what should i do sir please suggested me

0 Answers   ONGC,

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What are the different types of dams?

0 Answers  

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1)what is hypo test. 2) which cable need to hypo test.3) when hypo test can be done before or after glanding.4) what is the purpose of hypo test.

5 Answers  

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What is maximum demand and contract demand?

5 Answers  

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WHY SECONDARY OF CT SHOULD NEVER BE KEPT OPEN CIRCUITED?

7 Answers  

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What is Phasing out test?

1 Answers  

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When color of silica gel will gets change from blue to pink from Top to bottom?

0 Answers  

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